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    Structural Design for Solar Systems

    Dlubal Software helps you create and verify any solar mounting system. Work efficiently with steel, aluminum, and concrete structures in a single environment.

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    Dlubal API

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  • Icon representing RFEM 6, a finite element analysis software application. RFEM 6 Only Structural Analysis and Design Software You Need for Your Projects

    RFEM 6 serves as the basis of the modular program family and is used to define structures, materials, and actions for plate, wall, shell, and beam structures, as well as for solids and contact elements.

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    RSTAB 9 Icon without borders RSTAB 9 Iconic Frame and Truss Analysis Software

    RSTAB 9 is a powerful analysis and design software for 3D beam, frame, or truss structure calculations, reflecting the current state of the art and helping structural engineers meet requirements in modern civil engineering.

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    RSECTION 1 Icon without borders RSECTION 1 User-Defined Cross-Section Properties

    RSECTION supports structural engineers by determining cross-section properties for a wide variety of cross-sections and allowing for subsequent stress analysis.

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    RWIND 3 Icon without borders RWIND 3 CFD Software for Digital Wind Tunnels

    RWIND 3 is a digital wind tunnel for simulating wind flows around any building geometry and for the calculation of the wind loads on their surfaces.

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    API Icon Dlubal API Your Gateway to Parametric Modeling and Automation

    The new Dlubal API service (gRPC) provides you with a flexible interface to the structural analysis software based on Python and C#, with direct access to the entire Dlubal product range. Benefit from seamless and powerful integration into your Dlubal software—ideal for parametric modeling and complex optimization tasks.

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    FEA for Steel Connections

    Design and analyze steel connections using CBFEM, compliant with EN 1993‑1‑8 and AISC 360, fully integrated in RFEM 6 for faster, more accurate structural workflows.

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RFEM 6 – FEA Program
  • Main program
  • Finite element analysis (FEA)

RFEM 6 – FEA Program

RFEM, the sixth generation of the state-of-the-art FEA software by Dlubal, is a proven solution for structural and civil engineers worldwide. The software allows for fast and efficient modeling of complex structures, as well as structural and dynamic analysis. It offers a comprehensive design of member, plate, wall, folded plate, shell, and solid elements.

RFEM is characterized by its user-friendliness and flexibility, which allows for a precise adaptation to project-specific requirements. Due to the modular concept of RFEM, you can extend the software with a wide range of add-ons, and thus use it in various specialized areas, such as concrete, steel, timber, and glass construction.

RFEM is an innovative solution that facilitates the work of structural engineers and designers.

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Graphical display for modeling membrane roof structures using FEM in RFEM 6. © FHS Ingeniería Estructural Ltda. | www.fhsingenieria.cl
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Icon representing RFEM 6, a finite element analysis software application.

Powerful, Simple, and Intuitive

The successful Dlubal structural analysis program RFEM is the best choice for demanding structural engineers. This 3D FEA software meets all requirements in modern civil engineering. Sophisticated input technology allows you to quickly learn to operate the program and ensures the efficient and intuitive modeling of simple and complex structures.

The successful structural analysis program RFEM 6 by Dlubal Software is the basis of a modular program family that you can customize and combine according to your individual requirements. In the main program RFEM, you can define structures, materials, and loads of planar and spatial structural systems consisting of plates, walls, shells, and members. Furthermore, you can create combined structures as well as model solid and contact elements.

RFEM provides you with the calculation of deformations, internal forces, stresses, support forces, and soil contact stresses. Load wizards simplify wind, snow, and other environmental influences. The add-ons integrated directly in the program allow you to easily carry out additional analyses and design checks according to various standards (for example, in reinforced concrete, steel, and timber structures).

Join our excited customers and compile your own program package that is precisely tailored to your individual needs and projects. It is possible to upgrade the program at any time.

  • See What's New in RFEM
  • Hardware and System Requirements
Model of a reinforced concrete structure model in RFEM 6
Video: Introduction to RFEM 6 | 3D Finite Element Software
Response Spectrum Analysis for RFEM 6
Response Spectrum Analysis for RFEM 6
Wooden Airship Above DOX Center in Prague | © Ing. Zbyněk Šrůtek
Timber Design for RFEM 6 | © Ing. Zbyněk Šrůtek | www.timberdesign.cz
Image showing a geotechnical analysis process using RFEM 6 for realistic ground condition evaluation.
Geotechnical Analysis for RFEM 6
Model of a reinforced concrete structure model in RFEM 6 Video: Introduction to RFEM 6 | 3D Finite Element Software
Response Spectrum Analysis for RFEM 6 Response Spectrum Analysis for RFEM 6
Wooden Airship Above DOX Center in Prague | © Ing. Zbyněk Šrůtek Timber Design for RFEM 6 | © Ing. Zbyněk Šrůtek | www.timberdesign.cz
Image showing a geotechnical analysis process using RFEM 6 for realistic ground condition evaluation. Geotechnical Analysis for RFEM 6
Video: Introduction to RFEM 6 | 3D Finite Element Software
Main Features of RFEM 6
Integration of All Add-ons Load Transfer Surface Surface Contact Improved Printout Report Member and Member Set Representatives Output of Design Check Formulas All Features
Illustration outlining key benefits and performance improvements of an advanced finite element tool.
Advantages of RFEM 6
  • Fast modeling thanks to sophisticated input technology
  • One program for all types of structures, from single-span girders to complex 3D shell structures or NURBS solids
  • Fast calculation using multiprocessor technology
  • Support of national and international standards
  • Quick generation of a professional-looking printout report
  • Automatic generation of wind loads using the integrated CFD wind simulation (RWIND required)
  • Modern gRPC API service
  • Globally recognized program with over 130,000 users
  • Professional customer support provided by more than 20 support engineers

Designed with RFEM 6

Kinetic Structure of Timber Pavilion at Chateau Radíč in RFEM 6

Kinetic pavilion by the Radíč chateau

The kinetic pavilion in the Radíč chateau garden combines Roman architecture with modern utilization of timber. Taking inspiration from the Temple of Vesta, it unifies tradition and innovation with its kinetic element.

RFEM Model of BORA Flagshipstore in Herford with 3D Section View and Floating Design

BORA Flagshipstore in Herford, Germany

This impressive structure offers space for modern kitchen exhibitions, training courses, a restaurant and events. The combination of galvanized, perforated steel and colored glass gives the cantilevered structure the appearance of floating.

RFEM Model of Dawang Toll Station with Innovative Arched Beam and Membrane Structure

Dawang Toll Station in Shaanxi, China

An exciting project is the high-speed toll station by Jiangsu Jingong Space Structure Co., Ltd. Here, an innovative arched beam supports the membrane, which is both visually and functionally impressive.

Model 005007 | Structure of Pavilion in Tábor Zoo
  • 3D Viewer
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Pavilion of CIITE Rescue Center in Tábor Zoo

Pavilion of CITES Rescue Center in Tabor Zoological Garden (Czech Republic) to provide shelter for wild animals rescued from abusive keeping on private property.

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CAD-like workspace with right-click context menu for rapid structural object creation using graphical and tabular interfaces.
Graphic Workspace

The graphical workspace is the central part of the user interface. This is where you create the model, define loads and evaluate results. You can intuitively control the view by clicking or rotating the cube (hold down the left mouse button and move the mouse pointer). Alternatively, you can also adjust the view directly using the mouse functions.

Navigator

The Navigator manages the model data clearly in a tree structure. At the bottom, there are three tabs (four after the calculation) that allow you to easily switch between the Data, Display, Views, and Results sections.

Tables

The data is managed in a clear and organized manner in the form of a spreadsheet in the Tables. You can select a specific table using the lists of main categories and their associated subcategories.

Control Panel

The Control Panel contains a legend that makes it easier to find your way around the model results. In addition, the control panel provides basic controls that you can use to customize and optimize the display of the results.

Modern User Interface

One of the main strengths of Dlubal Software programs is their intuitive and easy-to-learn user interface, and RFEM 6 is no exception. You can conveniently create and edit your structure in a CAD-like environment or by using tables.

Right-clicking on graphic or navigator objects opens shortcut menus that you can use to quickly create or customize these objects. Thanks to the intuitive operation, you can define structural and load objects in no time.

  • Multilingual Program Operation
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More About Surface
What do our users say?

The support is excellent, helpful, fast, and the operators are courteous and kind. I recommend it.

Enrico Frezzini
Enrico Frezzini Engineer

Ideal solution for structural analysis according to European and Swiss standards.

Guillaume Faillenet
Guillaume Faillenet Perreten et Milleret

Simplicity, modularity, and responsive support for structural steel analysis!

Cédric Dubois Skyray

It is great to see how Dlubal has become an outstanding software for structural engineers. Kudos!

Pedro R. Munoz PRM Engineering

I like RFEM because it's user-friendly, simplifies repetitive tasks, and allows full control over parameters.

Marco Parolin
Ing. Marco Parolin Ingegnere civile

Satisfied with Dlubal Software for Ten Years!

Jérémy Vigouroux BDP Conception
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Fast and Intuitive Modeling

Modeling in RFEM 6 is easy and effortless for you. This is ensured, among other things, by useful auxiliary functions and tools for generating snow and wind loads, for example. It is also possible to consider member nonlinearities (yielding, tearing, slippage, plastic hinge, and so on), as well as couplings or member and surface eccentricities. These features also support you when modeling your structures:

  • Cross-Section and Material Libraries Including Favorites
  • Easy Creation of Views and Visibilities
  • Easy Model Input
Model of a suspended membrane roof with a distinct ring opening for efficient structural design.
High-detail model of a suspended membrane roof featuring a ring opening and intuitive structure generation.

Linear and Nonlinear Structural Analysis

Your model is calculated precisely and quickly. The model is calculated linearly according to the linear static analysis, or nonlinearly according to the second-order or the large deformation analysis. In order to determine design internal forces, you can be superimpose the results in combinations.

Further features are:

  • Individual Setting of Calculation Parameters
  • Optional Incremental Load Application
  • Computation Kernel with Multi-Core Processor Technology
RFEM 6 interface displays linear and nonlinear structural analysis results with detailed simulation data.
Icon depicting linear and nonlinear structural analysis techniques in RFEM 6 with abstract graphical elements.

Online Services for RFEM 6

Explore Dlubal API

Unlock the power of Dlubal API (gRPC) for RFEM, RSTAB, and RSECTION. Automate tasks, create custom solutions, and enhance parametric modeling with seamless Python integration.

Start with API
Python API integrating RFEM, RSTAB, and RSECTION with gRPC streaming support. Python API integrating RFEM, RSTAB, and RSECTION with streaming support for parametric models and optimization tasks

Cloud Calculations

Leverage cloud computing to run RFEM 6 calculations with no limitations on local processing power. Perform complex tasks anytime, anywhere, and save valuable resources.

Explore Now
Cloud computing environment performing RFEM 6 calculations to optimize resource usage without local hardware limits. Cloud computing environment performing RFEM 6 calculations to optimize resource usage without local hardware limits.

Getting Started with RFEM 6

You have not yet worked with RSECTION, or not often? Then you will find helpful hints and tips here to help you get started with the Dlubal programs.

More Info
First steps in the RFEM 6 user interface with clearly recognizable menus and toolbars Screenshot showing the initial RFEM 6 user interface with setup options.

Structural Analysis Models to Download

Browse a wide range of structural analysis models for RFEM, RSTAB, RSECTION, and RWIND. Perfect for tutorials or project inspiration.

Download Models
Downloadable technical model templates for precise engineering analysis. Mobile view displaying downloadable structural analysis models with visible thumbnails and labels.

Wind Load Generation for Any Model Shape

RWIND is a program (digital wind tunnel) for the numerical simulation of wind flows around any building geometry with determination of the wind loads on their surfaces. RWIND is available in a Basic and Pro version.

The image shows a building model where wind loads are determined by numerical simulation with RWIND.
Arrows

RFEM 6

To model the bodies in RWIND Basic, you will find a special application in RFEM. In this application, you define the wind directions to be analyzed using related angular positions around the vertical model axis.

The numerical CFD model simulates wind flows around buildings and determines wind loads.

RWIND 3

RWIND uses a numerical CFD (Computational Fluid Dynamics) model to simulate wind flows around your objects using a digital wind tunnel.

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  • Results
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  • Load Generation
  • Load Combinations
Result Evaluation and Printout Report of Timber Lattice Shell Structure

Result Evaluation and Printout Report

Your results and data are clearly displayed and easily accesible stored in RFEM 6. Internal forces, deformations, and support forces are clearly displayed in tables and graphics directly on the model. You can specifically select your results using various filter criteria. All data is documented in a multilingual printout report, the content of which you can easily adapt and save as a template. Furthermore, you have the option to easily integrate graphics, texts, MathML formulas, and PDF documents into the report. Further features for the result output are:

  • Colored Representation of Internal Forces and Moments
  • Result Diagrams
  • Visualization of Results
  • Result Display via Clipping Plane
  • Multilingual Report Output
  • Management of Printout Report Scope
More Information
Organizational interface for projects, customer data, and blocks in a digital management environment

Central Organization of Projects, Customer Data, Blocks, and so on

The Dlubal Center ensures that your planning goes quickly and efficiently. Among other things, your projects and model files are managed here in a central location. Detailed information and graphics make it easier for you to assign all models and thus enable uncomplicated and clear order processing. Furthermore, your customer data, including the licensed programs and add-ons, are organized in the Dlubal Center.

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Fast load generation in RFEM 6 | Tools for wind and snow loads, opening loads, and the conversion of surface loads into member loads

Quick and Easy Generation of Loads

When generating loads in RFEM, a large number of useful tools are available for you by default to facilitate your work process. The program includes, for example, the tools for generating wind, snow and opening loads, and other loads, as well as the tools for converting surface loads into member loads.

  • Generation of Snow Loads
  • Generation of Wind Loads
  • Generating Member/Line Loads from Surface Loads
  • Generating Member Loads from Free Line Load
More Information
Automatic generation of load cases and combinations in a clearly arranged window

Automatic Generation of Load Combinations

The Dlubal programs focus on efficient and uncomplicated work. Therefore, RFEM can automatically generate action and load combinations, as well as design situations according to Eurocode and other international standards. It follows the corresponding combination expressions. For example, you can also copy or add load cases in a clearly arranged window. Furthermore, the load cases and combinations can also be easily managed in tables.

  • Load Cases & Combinations
  • Combination Expressions
  • Accidental Design Situation (such as North German Plain)
  • Action Combinations
  • Load Combinations
  • Result Combinations
More Information

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Customize your individual program package and find out all the prices online!

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4,790.00 USD
+0.00 USD
Hall with Arched Roof
Total Amount 4,790.00 USD

The price is valid for United States.

Structural Analysis and Design Software
Dlubal Software, Inc.

30 South 15th Street, 15th Floor
PA 19103 Philadelphia
United States

+1 (267) 702-2815 [email protected]
Dlubal Software GmbH

Am Zellweg 2
93464 Tiefenbach
Germany

+49 9673 9203-0 [email protected]
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